flooding hitting several states. These pictures coming in from Detroit. Two people have died, one woman in her bait, another in her car. Hundreds guided out by rescuers in the water. Look closely at that overpass. It says it all, 14 feet high there and the water nearly touching the top. Tonight from Maryland, a parking lot outside the airport, cars nearly vanishing under the water. Look at the weather wall, that giant system on the move with more rain on the way tonight. Ginger with the forecast but first the pictures coming in right now. Reporter: The rescues tonight. Flash flood swallowing parts of the northeast forcing land to give way near Pittsburgh. More than seven inches of rain in just hours near Baltimore, the rising water trapping this woman in her car. I guess she drove into the water, it rose, and she got stuck. Reporter: Stuck like the estimated hundreds of vehicles abandoned in Detroit Monday. A lot of them were swimming out of there. People were climbing up the embankment. People were actually swimming out of their cars. Standing initially and the water kept rising. They had no choice. It's probably 13, 12 feet deep right there. Reporter: Almost a half foot of rain falling, the water rising to the clearance under highways, killing at least two people. Only the tops of cars visible from above. Today, mud-cake D and still under water, land giving way, highways crumbling. Parts of southeast Michigan in a state of emergency. There is significant damage on a number of freeways in terms of flooding. We made a significant survey of the areas. Reporter: The water so high, forklifts were brought in to get the vehicles out. It probably took us about three hours to get maybe a 15-minute drive last night. I've never seen anything like this in my whole life. Reporter: In part of the city the pumps vandalized. The water going nowhere. You were telling me this system, 24 more hours? Yes. It's still going. Flash flood warnings tonight, you can see them on the map, the radar moving to the north and east, some severe storms have popped up. Both Detroit and Baltimore marked their second wettest day on record. New York City gets it at 6:00 A.M. Boston more like 4:00 P.M. Or just before, and I wanted to tell you, flash flood watches still in place from west Virginia to Maine. A big night ahead, big rains, we're talking three, four inches still possible along the same system. I'll see you tomorrow morning on "Gma." Ginger, thank you.

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